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WO/2012/136657 |
The invention relates to a method for the copolymerisation of carbon dioxide and at least one epoxide, in the presence of at least one double metal cyanide catalyst. At a temperature of between 0 and 40°C and in a pressure vessel, carbo...
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WO/2012/136942 |
The invention relates to a process for manufacturing a polycarbonate, having a glass transition temperature greater than or equal to 50°C, comprising: ■ a step (1) of introducing into a reactor a monomer of formula (I) and R1 and R2 b...
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WO/2012/132030 |
A control method for safely manufacturing a polycarbonate oligomer, wherein the control method automatically detoxifies toxic phosgene without leakage to outside the system in the event of an abnormality.
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WO/2012/133851 |
The present invention is a method for producing a polycarbonate resin, which comprises a step wherein a carbonate diester and a dihydroxy compound (A) that has a specific moiety in a part of the structure are continuously supplied, in li...
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WO/2012/132031 |
A control method for safely manufacturing a polycarbonate oligomer, wherein the control method automatically detoxifies toxic phosgene without leakage to outside the system in the event of an abnormality
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WO/2012/134166 |
Provided are a polymer electrolyte composition, a gel-type polymer electrolyte obtained by mixing the same at normal temperature, and a dye-sensitized solar cell containing the electrolyte. Since the poly(alkylene carbonate)-based polyme...
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WO/2012/133856 |
The present invention pertains to a method for producing a polycarbonate resin by continuously feeding a carbonic acid diester and a dihydroxy compound containing a dihydroxy compound having a fluorene structure, with a polymerization ca...
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WO/2012/130760 |
The invention relates to a method for producing flexible polyurethane foam materials, wherein an isocyanate component (component B) is used, which contains polyethercarbonate polyol, and to the isocyanate component itself. The invention ...
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WO/2012/132493 |
The present invention provides a polycarbonate resin composition and a molded article thereof having excellent impact resistance. The present invention pertains to a polycarbonate resin composition containing a polycarbonate resin having...
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WO/2012/133873 |
The purpose of the invention is to provide a thermoplastic resin formed from a fluorene derivative. This invention is a thermoplastic resin comprising 30 mol% or more of repeating units derived from 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluo...
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WO/2012/134186 |
Provided is a process for isolating a catalyst from a solution having a copolymer and a catalyst dissolved therein, after performing copolymerization with the catalyst. More specifically the invention provides selection and application o...
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WO/2012/133237 |
The present invention relates to a polycarbonate-resin manufacturing method whereby polycarbonate-resin pellets or polycarbonate-resin films that contain little foreign material and exhibit excellent optical properties, thermal stability...
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WO/2012/133855 |
A polycarbonate-resin manufacturing method in which a polycarbonate resin is obtained by polycondensing feedstock monomers including at least a dihydroxy compound represented by general formula (1) and the resulting polycarbonate resin i...
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WO/2012/133853 |
When producing a polycarbonate using a specific dihydroxy compound having a -CH2-O- structure, the thermal stability is low compared to bisphenols. The present invention pertains to a method for producing a polycarbonate which solves a p...
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WO/2012/134166 |
Provided are a polymer electrolyte composition, a gel-type polymer electrolyte obtained by mixing the same at normal temperature, and a dye-sensitized solar cell containing the electrolyte. Since the poly(alkylene carbonate)-based polyme...
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WO/2012/132492 |
The present invention provides a polycarbonate resin composition and a molded article thereof having an excellent balance between weather resistance, impact resistance, light blocking properties, and the like. The present invention perta...
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WO/2012/133850 |
This method for producing a polycarbonate resin includes a step for conducting polycondensation through the transesterification of a carbonic acid diester and a dihydroxy compound, as a starting compound, in the presence of a transesteri...
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WO/2012/134186 |
Provided is a process for isolating a catalyst from a solution having a copolymer and a catalyst dissolved therein, after performing copolymerization with the catalyst. More specifically the invention provides selection and application o...
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WO/2012/133849 |
This method for producing a polycarbonate resin includes a step for conducting polycondensation through the transesterification of a carbonic acid diester and a dihydroxy compound, as a starting compound, in the presence of a transesteri...
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WO/2012/133854 |
The present invention relates to a method for manufacturing a polycarbonate resin by using a catalyst to polycondense feedstock monomers via a transesterification reaction, said feedstock monomers being one or more dihydroxy compounds an...
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WO/2012/133852 |
The present invention pertains to a method for producing a polycarbonate, wherein a carbonic acid diester and a dihydroxy compound containing a specific dihydroxy compound having a fluorene structure are continuously fed to a reaction ve...
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WO/2012/132029 |
A control method for safely manufacturing a polycarbonate oligomer, wherein the control method automatically detoxifies toxic phosgene without leakage to outside the system in times of abnormality.
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WO/2012/121508 |
Provided is a method for preparing poly(alkylene carbonate) containing ether linkages, by the copolymerization of an epoxy compound and carbon dioxide, with a trivalent metal complex prepared from a salen type ligand containing a quatern...
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WO/2012/121508 |
Provided is a method for preparing poly(alkylene carbonate) containing ether linkages, by the copolymerization of an epoxy compound and carbon dioxide, with a trivalent metal complex prepared from a salen type ligand containing a quatern...
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WO/2012/118739 |
Disclosed herein are novel copolycarbonates containing repeating units A and B respectively of the formulae: (A) -[R1OC(=0)0]-, and (B) -[(R20)n-C(=O)-O]-, wherein the molar ratio of units (A) to units (B) is in the range of from about 9...
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WO/2012/114939 |
The present invention provides a polycarbonate having responsiveness to protic polar solvents and a method for producing same. More specifically, the present invention produces a polycarbonate having epoxide as an element, the epoxide be...
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WO/2012/115088 |
A polycarbonate copolymer, characterized in having a structure comprising repeating units according to general formula (100), the molar copolymer composition represented by Ar1/(Ar1+Ar2) being in the range of 50-67 mol%, the reduced visc...
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WO/2012/111721 |
The purpose of the present invention is to achieve a polycarbonate resin having excellent heat resistance and shock resistance and also having high surface hardness. This polycarbonate resin composition (X) contains a polycarbonate resin...
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WO/2012/111718 |
The purpose of the present invention is to provide a polycarbonate resin composition and a molded article that have excellent pitch-blackness, brightness, shock-resistance, scratch resistance due to high hardness, flame retardation, and ...
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WO/2012/108245 |
The present invention is a process for producing polycarbonate resin pellets, characterized by comprising the steps of: 1) using a polycarbonate resin having a specific powdery or granular form; 2) moving the polycarbonate resin in an in...
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WO/2012/108696 |
There is provided a method for preparing a low-molecular weight poly(alkylene carbonate) of which the molecular weight and chain shape are precisely controlled, by introducing a phosphorous compound having a hydroxyl group as a chain tra...
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WO/2012/108696 |
There is provided a method for preparing a low-molecular weight poly(alkylene carbonate) of which the molecular weight and chain shape are precisely controlled, by introducing a phosphorous compound having a hydroxyl group as a chain tra...
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WO/2012/108510 |
[Problem] To provide a process for manufacturing, easily and using a conventional branching agent, a branched aromatic polycarbonate resin which has both a sufficiently high molecular weight and a desired degree of branching. [Solution] ...
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WO/2012/102564 |
Provided is a polyalkylene carbonate resin composition for producing a decorating material and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom, and more particularly to polyalkylene carbonate r...
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WO/2012/102564 |
Provided is a polyalkylene carbonate resin composition for producing a decorating material and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom, and more particularly to polyalkylene carbonate r...
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WO/2012/102101 |
The present invention provides a polycarbonate having outstanding heat-resistance stability and a process for producing the same. More specifically, the present invention provides a polycarbonate which has heat-resistance stability and i...
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WO/2012/102224 |
The present invention provides a polycarbonate resin containing a structural unit represented by general formula (I). In the formula, R's independently represent a halogen atom, an alkyl group having 1-9 carbon atoms, an aryl group havin...
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WO/2012/096410 |
The purpose of the present invention is to provide an optical lens which comprises an aromatic-aliphatic polycarbonate resin that has a large Abbe number and combines practically sufficient heat resistance with high molding flowability. ...
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WO/2012/093693 |
Provided is a method for producing a polycarbonate, by which a polycarbonate having excellent light resistance, transparency, hue, heat resistance, thermal stability, mechanical strength or the like can be efficiently and stably produced...
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WO/2012/094619 |
The present disclosure describes polymer compositions comprising aliphatic polycarbonate chains containing epoxy functional groups. In certain embodiments, the aliphatic polycarbonate chains comprise epoxy functional groups capable of pa...
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WO/2012/091308 |
The present invention relates to a polycarbonate-polysiloxane copolymer containing a polysiloxane unit. The polycarbonate-polysiloxane copolymer of the present invention has superior melt flowability and ductility while maintaining high ...
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WO/2012/091308 |
The present invention relates to a polycarbonate-polysiloxane copolymer containing a polysiloxane unit. The polycarbonate-polysiloxane copolymer of the present invention has superior melt flowability and ductility while maintaining high ...
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WO/2012/091343 |
Provided is a method for improving thermal stability of polypropylene carbonate and, more particularly, a method of end capping a molecular chain of polypropylene carbonate using a urethane group by adding isocyanates or diisocyanates to...
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WO/2012/091343 |
Provided is a method for improving thermal stability of polypropylene carbonate and, more particularly, a method of end capping a molecular chain of polypropylene carbonate using a urethane group by adding isocyanates or diisocyanates to...
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WO/2012/085112 |
The present invention relates to compositions containing polycarbonate, at least one metal hydroxides and at least phosphorous-containing flameproofing additive which show good flow properties, a high transparency and translucency and al...
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WO/2012/085831 |
A method of making polycarbonate comprises polymerizing, in a melt polymerization reaction, an aromatic dihydroxy compound and a diaryl carbonate in a presence of a polymerization catalyst and producing a by-product vapor stream comprisi...
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WO/2012/083026 |
Disclosed herein are branched polyol polyesters, which are useful in pharmaceutical formulations. Also disclosed are blends, microparticles, and other formulations, comprising the branched polyol polyesters.
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WO/2012/080192 |
The invention relates to a method for producing polyether carbonate polyols having primary hydroxyl end groups, comprising the steps of reacting an active starter compound having hydrogen atoms with an epoxide and carbon dioxide under do...
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WO/2012/076532 |
The invention relates to a process for purifying an aryl group containing carbonate, such as a diaryl carbonate, such as diphenyl carbonate, by membrane separation, wherein a membrane having an average pore size of from 0 to 10 nm is use...
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WO/2012/078825 |
Provided herein are isosorbide-based bisphenol polymer structural units and methods of making the same. These structural units may be polymerized with one or more other types of structural units to form polymers, such as polycarbonates.
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